From: Charles Mills <cmills@...>
Date: 2004-08-17T00:49:24+09:00
Subject: Re: Rubish Way of extracting elements


On Aug 16, 2004, at 8:06 AM, Daniel V�lkerts wrote:

> I started written a little script to analyse my syslogs. The 
> development  went on very fast, but today I'm searching the rubish way 
> to dissect a string into some parts. For example in my syslog there is 
> a line (valid as described in rfc3146)
>
> <165> Aug 16 17:01:35 localhost Just a test
>
> I was trying to reach this form
>
> var = content
>
> pri = 165
> timestamp = Aug 16 17:01:35
> device = localhost
> msg = Just a test
>
> But how do I accomplish this? I read the pickaxe book, but the example 
> I found was about repeating values e.g. | as seperator. Is a suitable 
> regexp the way or should use another technique e.g. String#index etc.?
>
Probably use regular expressions.  You could have one big regexp or one 
for each field like so:
var =~ /<([0-9]+)>/
pri = $1
$' =~ /some regexp/ # I'm lazy
timestamp = $1
# etc
You could also use \A along with the post match ($') to make sure the 
fields come in the order you expect.
-Charlie

>
> Thanks for your time helping me, I'll pay it back if I become a little 
> more rubisher ;)
>
> -- 
> Daniel V�lkerts ::
> "Ich habe einen Drachen, und ich WERDE ihn benutzen!" - Esel in Shrek
>